Geneticist who discovered the hormone leptin, which transmits a weight-reducing signal by reducing food intake and increasing energy expenditure. His research has a major role in how we understand and combat human obesity
He received his medical degree from Albany Medical College when he was just 22 years old.
He was awarded the Danone International Prize for Nutrition in 2007.
He has two daughters named Alex and Nathalie.
He was featured on "Scientific American Frontiers" with host Alan Alda.